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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Adv+Biomed+Res
2015 ; 4
(ä): 233
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Role of nitric oxide in kidney and liver (as distance organ) function in
bilateral renal ischemia-reperfusion: Effect of L-Arginine and
NG-nitro-L-Arginine methyl ester
#MMPMID26645018
Ghasemi M
; Nematbakhsh M
; Daneshmand F
; Moeini M
; Talebi A
Adv Biomed Res
2015[]; 4
(ä): 233
PMID26645018
show ga
BACKGROUND: Renal ischemia-reperfusion (RIR) is a major cause of renal
dysfunction that acts through different mechanisms. We investigated the role of
L-Arginine as an endogenous nitric oxide (NO) precursor and NG-nitro-L-Arginine
methyl ester (L-NAME) as an NO inhibitor on kidney and liver function in RIR
model. MATERIALS AND METHODS: Fifty-eight Wistar rats were randomly assigned to
four groups. Groups 1 (sham-operated, n = 13) received a single dose of saline (4
ml/kg, i.p.) and 2 (Ischemia [Isch], n = 14) received a single dose of saline (4
ml/kg, i.p.). Groups 3 (Isch + L-NAME, n = 15) received a single dose of L-NAME
(20 mg/kg, i.p.) and 4 (Isch + L-Arginine n = 16) received a single dose of
L-Arginine (300 mg/kg, i.p.), After 2 h, renal failure was induced by clamping
both renal pedicles for 45 min, followed by 24-h reperfusion in Groups 2-4.
Finally, blood samples were obtained, and kidney tissue samples were subjected
for pathology investigations. RESULTS: The body weight decreased, and the serum
levels of blood urea nitrogen (BUN) and creatinine (Cr), and kidney tissue damage
score (KTDS) increased significantly in the Isch and Isch + L-NAME groups
compared with the sham group while L-Arginine improved weight reduction (P <
0.05), and it reduced the serum levels of BUN and Cr, and KTDS when compared with
the Isch and Isch + L-NAME groups. Kidney weight increased significantly in all
groups compared with the sham group. L-Arginine reduced the liver tissue level of
malondialdehyde and increased alkaline phosphatase. CONCLUSION: L-Arginine as an
NO precursor can improve kidney function against RIR. It also improves oxidative
stress in liver tissue.